90872820

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{521}}^1$

素因数の和:575

約数の個数: 192

約数和(自身を含む): 315705600

約数和(自身を除く): 224832780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 19, 20, 27, 30, 34, 36, 38, 45, 51, 54, 57, 60, 68, 76, 85, 90, 95, 102, 108, 114, 135, 153, 170, 171, 180, 190, 204, 228, 255, 270, 285, 306, 323, 340, 342, 380, 459, 510, 513, 521, 540, 570, 612, 646, 684, 765, 855, 918, 969, 1020, 1026, 1042, 1140, 1292, 1530, 1563, 1615, 1710, 1836, 1938, 2052, 2084, 2295, 2565, 2605, 2907, 3060, 3126, 3230, 3420, 3876, 4590, 4689, 4845, 5130, 5210, 5814, 6252, 6460, 7815, 8721, 8857, 9180, 9378, 9690, 9899, 10260, 10420, 11628, 14067, 14535, 15630, 17442, 17714, 18756, 19380, 19798, 23445, 26571, 28134, 29070, 29697, 31260, 34884, 35428, 39596, 43605, 44285, 46890, 49495, 53142, 56268, 58140, 59394, 70335, 79713, 87210, 88570, 89091, 93780, 98990, 106284, 118788, 132855, 140670, 148485, 159426, 168283, 174420, 177140, 178182, 197980, 239139, 265710, 267273, 281340, 296970, 318852, 336566, 356364, 398565, 445455, 478278, 504849, 531420, 534546, 593940, 673132, 797130, 841415, 890910, 956556, 1009698, 1069092, 1195695, 1336365, 1514547, 1594260, 1682830, 1781820, 2019396, 2391390, 2524245, 2672730, 3029094, 3365660, 4543641, 4782780, 5048490, 5345460, 6058188, 7572735, 9087282, 10096980, 15145470, 18174564, 22718205, 30290940, 45436410, 90872820]

約数ペア:

[(1, 90872820), (2, 45436410), (3, 30290940), (4, 22718205), (5, 18174564), (6, 15145470), (9, 10096980), (10, 9087282), (12, 7572735), (15, 6058188), (17, 5345460), (18, 5048490), (19, 4782780), (20, 4543641), (27, 3365660), (30, 3029094), (34, 2672730), (36, 2524245), (38, 2391390), (45, 2019396), (51, 1781820), (54, 1682830), (57, 1594260), (60, 1514547), (68, 1336365), (76, 1195695), (85, 1069092), (90, 1009698), (95, 956556), (102, 890910), (108, 841415), (114, 797130), (135, 673132), (153, 593940), (170, 534546), (171, 531420), (180, 504849), (190, 478278), (204, 445455), (228, 398565), (255, 356364), (270, 336566), (285, 318852), (306, 296970), (323, 281340), (340, 267273), (342, 265710), (380, 239139), (459, 197980), (510, 178182), (513, 177140), (521, 174420), (540, 168283), (570, 159426), (612, 148485), (646, 140670), (684, 132855), (765, 118788), (855, 106284), (918, 98990), (969, 93780), (1020, 89091), (1026, 88570), (1042, 87210), (1140, 79713), (1292, 70335), (1530, 59394), (1563, 58140), (1615, 56268), (1710, 53142), (1836, 49495), (1938, 46890), (2052, 44285), (2084, 43605), (2295, 39596), (2565, 35428), (2605, 34884), (2907, 31260), (3060, 29697), (3126, 29070), (3230, 28134), (3420, 26571), (3876, 23445), (4590, 19798), (4689, 19380), (4845, 18756), (5130, 17714), (5210, 17442), (5814, 15630), (6252, 14535), (6460, 14067), (7815, 11628), (8721, 10420), (8857, 10260), (9180, 9899), (9378, 9690)]